Diagnostic device



FIG. 1 is a perspective view of a diagnostic device showing our new design;

FIG. 2 is a front side elevational view of the diagnostic device of FIG. 1;

FIG. 3 is a rear side elevational view of the diagnostic device of FIG. 1;

FIG. 4 is a left side elevational view of the diagnostic device of FIG. 1;

FIG. 5 is a right side elevational view of the diagnostic device of FIG. 1;

FIG. 6 is a top plan view of the diagnostic device of FIG. 1; and,

FIG. 7 is a bottom plan view of the diagnostic device of FIG. 1.

The broken lines shown in the drawings illustrate portions of the diagnostic device that form no part of the claimed design.

The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a diagnostic device, as shown and described. 